Finding the Fourth Proportional to 13,256.72, 19,884.04 and 5,861.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,256.72 : 19,884.04 = 5,861.42 : x
2. Step 2: Convert to fraction form
   13,256.72/19,884.04 = 5,861.42/x
3. Step 3: Cross multiply
   13,256.72x = 19,884.04 × 5,861.42
4. Step 4: Simplify right side
   13,256.72x = 116,548,709.74
5. Step 5: Solve for x
   x = 116,548,709.74/13,256.72
6. Step 6: Final answer
   x = 8,791.67